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Full Discussion: Java patching
Operating Systems Linux Red Hat Java patching Post 302606127 by bitlord on Friday 9th of March 2012 03:31:07 PM
Old 03-09-2012
Java patching

hello,
I'm a Solaris admin and I was asked to patch some RHEL servers. I'm having trouble trying to figure out the RHEL java version. Can someone help me?

This what I do in Solaris
Code:
java -version
java version "1.5.0_34"
java(TM) 2 Runtime Envirement, Standard Edition (build 1.5.0_34-b03)
Java HotSpot(TM) Server VM (build 1.5.0_34-b03, mixed mode)

This what I see on RHEL
Code:
java -version
java version "1.4.2"
gij (GNU libgcj) version 4.1.2 20080704 (Red Hat 4.1.2-52)

or
Code:
java -version
java version "1.6.0_22"
OpenJDK Runtime Envirement (IcedTea6 1.10.6) (rhel-1.25.1.10.6.e15_8-x86_64)
OpenJDK 64-Bit Server VM (build 20.0-b11 mixed mode)

I went to the RHEL site and looked at this page.
https://access.redhat.com/security/cve/CVE-2010-4454
The issue is the version numbers don't match the layout I get from the command line. I can't figure out if my version has been patched to cover the vulnerability. In Solaris The latest update is 1.5.0_34 & 1.6.0_31 (put out in Feb), I would like to have the RHEL servers patched to the same level.

OS
RHEL 5.x, (5)
RHEL 4.x (1)

Can someone help me understand the versioning RHEL is using.
 
serialver(1)						      General Commands Manual						      serialver(1)

NAME
serialver - serial version command SYNOPSIS
serialver [ options ] [ classnames ] options Command-line options, as specified in this document. classnames One or more class names. DESCRIPTION
serialver returns the serialVersionUID for one or more classes in a form suitable for copying into an evolving class. When invoked with no arguments, it prints a usage line. OPTIONS
-classpath <directories and zip/jar files separated by:> Set search path for application classes and resources. -show Displays a simple user interface. Enter the full class name and press either the Enter key or the Show button to display the serialVersionUID. -Joption Pass option to the Java virtual machine, where option is one of the options described on the man page for the java applica- tion launcher, java(1). For example, -J-Xms48m sets the startup memory to 48 megabytes. It is a common convention for -J to pass options to the underlying virtual machine. SEE ALSO
See (or search java.sun.com) for the following: java.io.ObjectStreamClass @ http://java.sun.com/j2se/1.5/docs/api/java/io/ObjectStreamClass.html 24 June 2004 serialver(1)
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